Racing high chair



FIG. 1 is a perspective view of a racing high chair according to my design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is top view thereof.

The surfaces or portions of the article not shown in drawing or described in the specification form no part of the claimed design. 

The ornamental design for a racing high chair, as shown and described. 